DE69113714D1 - Lichtverstärker mit optischer Faser. - Google Patents

Lichtverstärker mit optischer Faser.

Info

Publication number
DE69113714D1
DE69113714D1 DE69113714T DE69113714T DE69113714D1 DE 69113714 D1 DE69113714 D1 DE 69113714D1 DE 69113714 T DE69113714 T DE 69113714T DE 69113714 T DE69113714 T DE 69113714T DE 69113714 D1 DE69113714 D1 DE 69113714D1
Authority
DE
Germany
Prior art keywords
optical fiber
light amplifier
amplifier
light
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69113714T
Other languages
English (en)
Other versions
DE69113714T2 (de
Inventor
Keiko Takeda
Shinya Inagaki
Kenji Tagawa
Osamu Oyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2201440A external-priority patent/JP2834867B2/ja
Priority claimed from JP3057417A external-priority patent/JP2998247B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69113714D1 publication Critical patent/DE69113714D1/de
Publication of DE69113714T2 publication Critical patent/DE69113714T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
DE69113714T 1990-07-31 1991-07-31 Lichtverstärker mit optischer Faser. Expired - Fee Related DE69113714T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2201440A JP2834867B2 (ja) 1990-07-31 1990-07-31 エルビウムドープ光ファイバ増幅器
JP3057417A JP2998247B2 (ja) 1991-03-20 1991-03-20 光増幅器用エルビウムファイバ

Publications (2)

Publication Number Publication Date
DE69113714D1 true DE69113714D1 (de) 1995-11-16
DE69113714T2 DE69113714T2 (de) 1996-04-18

Family

ID=26398459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69113714T Expired - Fee Related DE69113714T2 (de) 1990-07-31 1991-07-31 Lichtverstärker mit optischer Faser.

Country Status (4)

Country Link
US (1) US5155621A (de)
EP (1) EP0470497B1 (de)
CA (1) CA2048145C (de)
DE (1) DE69113714T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264807B (en) * 1992-02-20 1995-10-04 Univ Southampton Optical amplifier
GB2266620B (en) * 1992-04-27 1996-08-28 Univ Southampton Optical power limited amplifier
JP3214910B2 (ja) * 1992-08-18 2001-10-02 富士通株式会社 平面導波路型光増幅器の製造方法
GB9318688D0 (en) * 1993-09-09 1993-10-27 Northern Telecom Ltd Optical amplifiers
US5363234A (en) * 1993-10-14 1994-11-08 Corning Incorporated Amplifier having pump fiber filter
JP3244579B2 (ja) * 1993-12-17 2002-01-07 富士通株式会社 光ファイバ増幅器
US5604628A (en) * 1994-12-30 1997-02-18 Cornell Research Foundation, Inc. Optical laser amplifier combined with a spontaneous emission filter
JP3556026B2 (ja) * 1995-10-30 2004-08-18 富士通株式会社 複数の波長信号を一括して増幅する多波長一括光増幅器
KR970064034A (ko) * 1996-02-10 1997-09-12 김광호 다중파장 자동 파워 및 이득 조절용 광전송 시스템 및 레이저
DE19622012A1 (de) * 1996-05-31 1997-12-04 Siemens Ag Ferngepumpter optischer Leistungsverstärker mit verteilter Verstärkung
JPH1011022A (ja) 1996-06-18 1998-01-16 Sharp Corp 表示装置の駆動回路
CA2205705A1 (en) * 1996-06-26 1997-12-26 Franklin W. Kerfoot, Iii Arrangement for reducing insertion loss impairment of optical amplifiers
US6289698B1 (en) 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
US5877890A (en) * 1996-10-30 1999-03-02 Rutgers, The State University Of New Jersey Optical-fiber amplifier having high-saturation output
GB2366447B (en) * 1996-12-04 2002-04-17 Southampton Photonics Ltd Apparatus for Amplifying a Signal Beam having a Normalised Intensity Distribution
US6275512B1 (en) 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
US6192179B1 (en) 1999-01-25 2001-02-20 Corning Incorporated Distributed resonant ring fiber filter
US6459526B1 (en) * 1999-08-09 2002-10-01 Corning Incorporated L band amplifier with distributed filtering
US6477297B1 (en) * 2000-03-08 2002-11-05 Corning Incorporated Reduction of bend loss through constraint of optical fiber parameters
US6724528B2 (en) 2001-02-27 2004-04-20 The United States Of America As Represented By The Secretary Of The Navy Polarization-maintaining optical fiber amplifier employing externally applied stress-induced birefringence
US6516124B2 (en) * 2001-03-02 2003-02-04 Optical Power Systems Incorporated Fiber for enhanced energy absorption
KR100349007B1 (en) 2001-09-07 2002-08-17 Lg Cable Ltd Low noise optical amplifying device and optical communication system using the same
US6775348B2 (en) * 2002-02-27 2004-08-10 General Electric Company Fiber optic scintillator with optical gain for a computed tomography system and method of manufacturing same
WO2005031401A2 (en) * 2003-09-25 2005-04-07 Nufern Apparatus and methods for accommodating loops of optical fiber
US7046902B2 (en) * 2003-09-30 2006-05-16 Coractive High-Tech Inc. Large mode field diameter optical fiber
US7526167B1 (en) * 2005-06-24 2009-04-28 Lockheed Martin Corporation Apparatus and method for a high-gain double-clad amplifier
US7768700B1 (en) 2006-11-30 2010-08-03 Lockheed Martin Corporation Method and apparatus for optical gain fiber having segments of differing core sizes
US20090059352A1 (en) * 2007-08-30 2009-03-05 Furukawa Electric North America, Inc. Method and arrangement for mitigating bend distortion impact in a fiber amplifier or laser
JP4834718B2 (ja) * 2008-01-29 2011-12-14 キヤノン株式会社 パルスレーザ装置、テラヘルツ発生装置、テラヘルツ計測装置及びテラヘルツトモグラフィー装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615312A (en) * 1969-04-21 1971-10-26 American Optical Corp End fusion of glass laser rods of dissimilar chemistry
US3963347A (en) * 1974-05-09 1976-06-15 American Optical Corporation Erbium laser ceilometer
FR2331900A1 (fr) * 1975-11-13 1977-06-10 Commissariat Energie Atomique Dispositif interrupteur selectif en longueur d'onde
DE2926977A1 (de) * 1979-07-04 1981-01-22 Licentia Gmbh Lichtwellenlaengenabhaengiges filter
US4556279A (en) * 1981-11-09 1985-12-03 Board Of Trustees Of The Leland Stanford Junior University Passive fiber optic multiplexer
US4938556A (en) * 1983-11-25 1990-07-03 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fiber laser source
DE197943T1 (de) * 1984-10-01 1987-02-05 Polaroid Corp., Cambridge, Mass., Us Verst(gamma)rker frr optischen wellenleiter und laser.
US4708421A (en) * 1985-02-08 1987-11-24 The Board Of Trustees Of The Leland Stanford Junior University In-line fiber optic memory
JPH0681119B2 (ja) * 1986-04-17 1994-10-12 日本電気株式会社 波長多重光伝送方式
GB8724736D0 (en) * 1987-10-22 1987-11-25 British Telecomm Optical fibre
JPH01302205A (ja) * 1988-05-30 1989-12-06 Fujikura Ltd 光ファイバフィルタ
US5087108A (en) * 1989-08-11 1992-02-11 Societa' Cavi Pirelli S.P.A. Double-core active-fiber optical amplifier having a wide-band signal wavelength
US5005175A (en) * 1989-11-27 1991-04-02 At&T Bell Laboratories Erbium-doped fiber amplifier

Also Published As

Publication number Publication date
EP0470497B1 (de) 1995-10-11
CA2048145C (en) 1994-11-01
DE69113714T2 (de) 1996-04-18
EP0470497A2 (de) 1992-02-12
US5155621A (en) 1992-10-13
EP0470497A3 (en) 1992-05-06
CA2048145A1 (en) 1992-02-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee